Harman US

Forest, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Forest, a village in Hardin County, Ohio.

This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. Northeast wind around 13 mph.

7-day forecast for Forest

WhenTempForecastWindPrecip
This Afternoon 74°F Mostly Sunny 13 mph NE 0%
Tonight 55°F Partly Cloudy 5 to 12 mph NE 2%
Saturday 76°F Showers And Thunderstorms Likely 7 mph SE 57%
Saturday Night 63°F Showers And Thunderstorms Likely 5 to 8 mph S 75%
Sunday 73°F Showers And Thunderstorms 7 to 14 mph NW 87%
Sunday Night 57°F Showers And Thunderstorms Likely 14 mph NE 63%
Monday 66°F Chance Rain Showers 13 to 18 mph NE 47%
Monday Night 54°F Chance Rain Showers 14 to 18 mph NE 47%
Tuesday 67°F Chance Rain Showers 15 to 18 mph NE 37%
Tuesday Night 56°F Chance Rain Showers 12 to 18 mph NE 52%
Wednesday 67°F Chance Rain Showers 14 mph NE 52%
Wednesday Night 55°F Chance Rain Showers 8 to 12 mph NE 35%
Thursday 69°F Mostly Cloudy then Slight Chance Rain Showers 8 to 12 mph N 15%
Thursday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 6 to 12 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Forest (40.804, -83.515). Updated through the day.

Growing snapshot for Forest

Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a

More local growing data for Forest: nearby ZIP 45843 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

All Ohio locations ›

Climate data from the nearest NOAA station, Kenton, Oh (10 mi from Forest). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.